Bluetooth Earpieces with Lifesize Cloud?

Anyone have any suggestions on the best bluetooth earpieces to use with Lifesize Cloud. I have a client that requires a bluetooth headset for some research they are doing and I don't have very much experience with them. Any suggestions on what works well would be much appreciated. Also ones to avoid would be helpful too.

My feeling is that unlike one way audio, two way chat audio on more common Bluetooth devices uses a very poor older codec and so audio quality is lacking. Most advances have been completely dedicated to headphones and speakers, not headsets with microphones. I haven't really looked into it, but they might have resolved this with the most recent Bluetooth versions but most laptops do not yet support this. For a reliable wireless audio headset with microphone, with high quality sound, generally the devices have their own non-Bluetooth dongle. So, I'm not sure if a "good" Bluetooth earpiece exists right now, and if it does you might need a recent Bluetooth 4.x or 5.0 dongle to go with it. My experience is a couple of years old, if anyone has more recent input it would be interesting.